Are you looking for the updates for the WinDVD that comes with your Sony Vaio ?
All updates for the WinDVD that came pre-installed on the Sony Vaio are posted on Sony's support site, for more information about the version of WinDVD that comes pre-installed on Sony Vaio's please Click Here
Sony Support Sites:
US Click Here
Canada Click Here
Europe Click Here
***Please Note*** You should also check to see if there are any updates for you Video Card while you are on the Sony's support site.